Home / 4,145.63-5,720.99-2,282.63

Finding the Fourth Proportional to 4,145.63, 5,720.99 and 2,282.63

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Solution

The fourth proportional to 4,145.63, 5,720.99 and 2,282.63 is: 3,150.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.63 : 5,720.99 = 2,282.63 : x
  2. Step 2: Convert to fraction form
    4,145.63/5,720.99 = 2,282.63/x
  3. Step 3: Cross multiply
    4,145.63x = 5,720.99 × 2,282.63
  4. Step 4: Simplify right side
    4,145.63x = 13,058,863.39
  5. Step 5: Solve for x
    x = 13,058,863.39/4,145.63
  6. Step 6: Final answer
    x = 3,150.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.